Originally posted by Hdbngr8:
Uh, read closely that the test was "Lube oil filtration", not air. I am less inclined to look for a 2 micron air filter, but I definitely would rather have a 2 micron filter for my engine oil (the only problem is that it is impractical).





Air filtration is the first line of defense. Your 5 micron oil filter isn't going to protect your engine against 20 micron particles ingested into the top of the cylinder.

Function before fashion. '96 Contour SE "Toss the Contour into a corner, and it's as easy to catch as a softball thrown by a preschooler." -Edmunds, 1998